a sun-centered model; the sun is the center of revolving planets
100
How many stars are in our solar system?
one
100
Who was Ham?
The first monkey in space sent up by the U.S.
200
How many dwarf planets have we discovered that are actually named?
3
200
how many earths fit inside the sun?
1 million
200
How is an elliptical path different from a circular one?
An elliptical path is more of an oval shape instead of round like the circular
200
What does I.S.S. stand for?
International Space Station
200
Who was the first human to go into space?
Yuri Gagarin
300
Which planet is the hottest and why?
Venus is because it has a thick atmosphere that holds the heat in.
300
What type of star is the sun?
a yellow dwarf star
300
Where are most asteroids found?
in the asteroid belt
300
What year was the Hubble Space Telescope carried into space?
1990
300
Who was the first astronomer to start using the telescope to observe space?
Galileo Galilei
400
How many moons does Jupiter have?
64
400
What are the layers of the inside of the sun?
core, radiation zone, convection zone
400
What does NASA stand for?
National Aeronautics and Space Administration
400
What are the 4 main types of galaxies?
elliptical, spiral, barred spiral, irregular
400
What country was Nicolaus Copernicus from?
Poland
500
What are the 6 planets that were known by the ancients?
Mercury, Venus, Earth, Mars, Jupiter, and Saturn
500
What are the outer layers of the sun?
photosphere, chromosphere, corona
500
What are the differences between meteoroid, meteor, and meteorite?
meteoroid is in space, meteor is when it hits earth's atmosphere and burns up, and meteorite is when not all of it burns up in earth's atmosphere and it hits earth's surface
500
Name the phases of the moon?
new moon, waxing crescent, 1st quarter, waxing gibbous, full moon, waning gibbous, 3rd or last quarter, waning crescent
500
What year did Neil Armstrong land on the moon and what mission was he part of to do it?